@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background: #f4f6f9;
  color: #2c2c2c;
  line-height: 1.6;
  padding: 40px 20px;
}
main, header, footer {
  max-width: 850px;
  margin: auto;
  background: #ffffff;
  padding: 30px 40px;
}


header {
  border-radius: 12px 12px 0 0;
}

header table {
  width: 100%;
}

header img {
  border-radius: 8px;
  object-fit: cover;
  border: 3px solid #e0e6ed;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  color: #1f2d3d;
  margin-left: 15px;
}

hr {
  border: none;
  height: 1px;
  background: #e6e9ef;
  margin: 20px 0;
}

/* Bölümler */
section {
  margin-bottom: 35px;
}

h2 {
  font-size: 18px;
  font-weight: 600;
  color: #4a63e7;
  margin-bottom: 10px;
  border-left: 4px solid #4a63e7;
  padding-left: 8px;
}

h3 {
  font-size: 15px;
  margin-top: 15px;
  margin-bottom: 8px;
  color: #333;
}

ul, ol {
  margin-left: 20px;
  margin-top: 5px;
}

li {
  margin-bottom: 6px;
}

/* Sertifika açıklamaları */
dl {
  margin-top: 10px;
}

dt {
  margin-top: 10px;
  color: #1f2d3d;
}

dd {
  margin-left: 15px;
  font-size: 14px;
  margin-bottom: 4px;
  color: #555;
}

/* Linkler */
a {
  text-decoration: none;
  color: #4a63e7;
  font-weight: 500;
  transition: 0.3s;
}

a:hover {
  color: #2e43b7;
  text-decoration: underline;
}


footer {
  border-radius: 0 0 12px 12px;
  text-align: center;
  font-size: 14px;
  color: #777;
}

@media (max-width: 768px) {
  body {
    padding: 20px 10px;
  }

  main, header, footer {
    padding: 20px;
  }

  header table {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  h1 {
    margin: 10px 0 0 0;
  }
}